def axes(max_dist, axis_rad=0.25, axis_color='yellow'):
"""
Generate X, Y, Z axes of length max_width in the form of a pythreejs
Line object.
Parameters
----------
max_dist : float
maximum extent of grid from origin in each dimension
axis_rad : float
radius of cylinder representing each axis (default: 0.25)
axis_color : color
color the axes are drawn in (default: 'yellow')
Returns
-------
Xaxis, Yaxis, Zaxis : pythreejs.Mesh*3
Three pythreejs Mesh objects representing the x, y, and z axes.
"""
Xaxis = p3j.Mesh(geometry=p3j.CylinderBufferGeometry(radiusTop=axis_rad, radiusBottom=axis_rad,
height=max_dist,
radiusSegments=12,
heightSegments=1,
openEnded=False,
thetaStart=0, thetaLength=2*np.pi),
material=p3j.MeshBasicMaterial(color=axis_color),
position=[max_dist/2, 0, 0])
Xaxis.rotateZ(np.pi/2)
Yaxis = p3j.Mesh(geometry=p3j.CylinderBufferGeometry(radiusTop=axis_rad, radiusBottom=axis_rad,
height=max_dist,
radiusSegments=12,
heightSegments=1,
openEnded=False,
thetaStart=0, thetaLength=2*np.pi),
material=p3j.MeshBasicMaterial(color=axis_color),
position=[0, max_dist/2, 0])
Zaxis = p3j.Mesh(geometry=p3j.CylinderBufferGeometry(radiusTop=axis_rad, radiusBottom=axis_rad,
height=max_dist,
radiusSegments=12,
heightSegments=1,
openEnded=False,
thetaStart=0, thetaLength=2*np.pi),
material=p3j.MeshBasicMaterial(color=axis_color),
position=[0, 0, max_dist/2])
Zaxis.rotateX(np.pi/2)
return Xaxis, Yaxis, Zaxis
def test_cylinder():
cylinder = Cylinder(10.0,
5.0,
name='cylinder',
color='blue',
material="METAL")
assert cylinder.name == 'cylinder'
assert cylinder.__str__() == \
'Cylinder cylinder color:blue material:METAL length:10.0 radius:5.0'
assert cylinder.__repr__() == 'Cylinder'
assert cylinder.length == 10.0
assert cylinder.radius == 5.0
assert cylinder.color == 'blue'
if p3js is not None:
mesh = cylinder._p3js_mesh()
expected_mesh = p3js.Mesh(p3js.CylinderBufferGeometry(radiusTop=5.0,
radiusBottom=5.0,
height=10.0),
p3js.MeshStandardMaterial(color='blue'),
name='cylinder')
assert repr(mesh) == repr(expected_mesh)
cylinder.name = 'cylinder1'
assert cylinder.name == 'cylinder1'
cylinder.length = 14.0
assert cylinder.length == 14.0
cylinder.radius = 7.0
assert cylinder.radius == 7.0
cylinder.color = 'cyan'
assert cylinder.color == 'cyan'
cylinder.material = 'FOIL'
assert cylinder.material == 'FOIL'
assert cylinder.generate_dict() == {
"color": "cyan",
"type": "Cylinder",
"name": "cylinder1",
"length": 14.0,
"radius": 7.0,
"material": "FOIL"
}
assert isinstance(cylinder, Shape)
cylinder_ = Cylinder(10.0, 5.0, color='blue')
assert cylinder_.name == 'unnamed'
assert cylinder_.__str__() == \
'Cylinder unnamed color:blue material:default length:10.0 radius:5.0'
assert cylinder_.__repr__() == 'Cylinder'
def draw_cylinder(cylinder, color=None, radius_segments=8):
geo = p3js.CylinderBufferGeometry(radiusTop=cylinder.circle.radius,
radiusBottom=cylinder.circle.radius,
height=cylinder.height,
radiusSegments=radius_segments)
mat = material_from_color(color)
mesh = p3js.Mesh(geometry=geo, material=mat)
mesh.position = list(cylinder.circle.plane.point)
mesh.quaternion = list(
Frame.from_plane(cylinder.circle.plane).quaternion.xyzw)
return mesh
def test_cone():
cone = Cone(10.0,
5.0,
name='cone',
color='darkblue',
material="CHECKERBOARD")
assert cone.name == 'cone'
assert cone.__str__() == \
'Cone cone color:darkblue material:CHECKERBOARD length:10.0 radius:5.0'
assert cone.__repr__() == 'Cone'
assert cone.length == 10.0
assert cone.radius == 5.0
assert cone.color == 'darkblue'
if p3js is not None:
mesh = cone._p3js_mesh()
expected_mesh = p3js.Mesh(p3js.CylinderBufferGeometry(radiusTop=0.0,
radiusBottom=5.0,
height=10.0),
p3js.MeshStandardMaterial(color='darkblue'),
name='cone')
assert repr(mesh) == repr(expected_mesh)
cone.name = 'cone1'
assert cone.name == 'cone1'
cone.length = 16.0
assert cone.length == 16.0
cone.radius = 3.0
assert cone.radius == 3.0
cone.color = 'darkcyan'
assert cone.color == 'darkcyan'
assert cone.generate_dict() == {
"color": "darkcyan",
"type": "Cone",
"name": "cone1",
"length": 16.0,
"radius": 3.0,
"material": "CHECKERBOARD"
}
assert isinstance(cone, Shape)
cone_ = Cone(10.0, 5.0, color='darkblue')
assert cone_.name == 'unnamed'
assert cone_.__str__() == \
'Cone unnamed color:darkblue material:default length:10.0 radius:5.0'
assert cone_.__repr__() == 'Cone'